5398321 has 4 divisors (see below), whose sum is σ = 5584500. Its totient is φ = 5212144.

The previous prime is 5398319. The next prime is 5398331. The reversal of 5398321 is 1238935.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3381921 + 2016400 = 1839^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398321 - 2¹ = 5398319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5398301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93046 + ... + 93103.

It is an arithmetic number, because the mean of its divisors is an integer number (1396125).

Almost surely, 2^5398321 is an apocalyptic number.

It is an amenable number.

5398321 is a deficient number, since it is larger than the sum of its proper divisors (186179).

5398321 is a wasteful number, since it uses less digits than its factorization.

5398321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186178.

The product of its digits is 6480, while the sum is 31.

The square root of 5398321 is about 2323.4287163586. The cubic root of 5398321 is about 175.4228793495.

The spelling of 5398321 in words is "five million, three hundred ninety-eight thousand, three hundred twenty-one".